CN105301553A - Multipurpose single/three-phase electric energy meter detector - Google Patents
Multipurpose single/three-phase electric energy meter detector Download PDFInfo
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- CN105301553A CN105301553A CN201510868662.5A CN201510868662A CN105301553A CN 105301553 A CN105301553 A CN 105301553A CN 201510868662 A CN201510868662 A CN 201510868662A CN 105301553 A CN105301553 A CN 105301553A
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Abstract
The invention discloses a multipurpose single/three-phase electric energy meter detector. A front panel of the detector is provided with photoelectric samplers, multifunctional plates used for manual wiring, voltage terminals, current terminals and meter holders. A cabinet of the detector is internally provided with a voltage and current power amplifier capable of single/three-phase switchable output, a single/three-phase signal source, a single/three-phase standard table and a multipath voltage transformer. A side surface of the detector is provided with a single/three-phase change over switch. The single/three-phase signal source is connected with the voltage and current power amplifier. The voltage and current power amplifier is connected with a binding post in the single/three-phase change over switch. A primary side of the multipath voltage transformer is connected with the binding post in the single/three-phase change over switch. The detector is compact in structure, comprehensive in function, simple in wiring, and capable of comprehensively single/three-phase electric energy meters of various types and various specifications.
Description
Technical field:
The present invention relates to a kind of multi-usage list, three-phase electric energy meter verifying attachment.
Background technology:
Along with the extensive popularization of intelligent electric meter is installed, the popularization and application of Intelligent energy meter verifying device, former old calibrator for watt-hour meter on the verge of being replaced, scrap, but also have portions of client at present at old single-phase, the three-phase electric energy meter using various model.If, then there is the problem without standard set-up inspection, make troubles to work in the indoor verification of this type of client application electric energy meter.
Summary of the invention:
For overcoming the defect of prior art, the object of the present invention is to provide a kind of verifying attachment that simultaneously can meet all types of single, three-phase electric energy meter.
Technical solution problem of the present invention adopts following technical scheme:
Multi-usage list, three-phase electric energy meter verifying attachment:
Described device front panel is provided with photoelectric sampler, the multifunction board for artificial wiring, voltage terminal, current terminal, table holder; List, the electric current and voltage power amplifier of the changeable output of three-phase, single three-phase signal source, single three-phase standard scale, plurality of voltages mutual inductor are installed in described device cabinet; In the side of described device, single three-phase change-over switch is installed;
Described single three-phase signal source is connected with described electric current and voltage power amplifier, and described electric current and voltage power amplifier is connected with the connection terminal in described single three-phase change-over switch, and the primary side of described multipath sensor is connected with the connection terminal in single three-phase change-over switch.
Described single three-phase change-over switch has single-phase, three-phase, neutral gear three gears, and by the selection of gear, the output mode of control voltage, obtains single-phase 220V, phase three-wire three 100V, three-phase and four-line 220/380V tri-kinds of voltage modes at different epi-position ends.
Described plurality of voltages mutual inductor is after receiving single-phase 220V voltage, a road single-phase voltage is exported to each epi-position, the single-phase voltage of the first epi-position is transferred to three-phase outgoing side by single three-phase change-over switch, single three-phase standard scale is connected on described three-phase outgoing side, according to different line receiver to voltage condition switch different mode of operations.
Described photoelectric sampler is used for the collection of old stem-winder pulse; Described multifunction board is used for the pulse collection of intelligent meter, multifunctional electric energy meter.
Described verifying attachment configures two kinds of modes of connection: crimping wiring and artificial wiring.Crimping wiring uses table holder stationary electric table, and the handle of vertical direction presses down, and completes wiring; Manual wiring pin to big current electric energy meter, current terminal service test device front panel independently current terminal.
Compared with the prior art, beneficial effect of the present invention is embodied in:
Apparatus of the present invention install plurality of voltages mutual inductor, single three-phase change-over switch on the basis of former three-phase intelligent table verifying attachment.Signal source sends instructions to three-phase voltage power amplifier, three-phase voltage power amplifier according to instruction output voltage to single three-phase change-over switch, voltage is transferred to three-phase or single-phase side respectively by single three-phase change-over switch, three-phase side is directly export, single-phase side is converted to each epi-position one road single-phase voltage by plurality of voltages mutual inductor and exports, the single-phase voltage of the first epi-position is transferred to three-phase outgoing side by change-over switch, standard scale is connected on three-phase outgoing side, the voltage condition automatic decision that can arrive according to different line receiver, switches different mode of operations.
The present invention is provided with photoelectric sampler on the front panel of former three-phase intelligent table verifying attachment, and photoelectric sampler turns over crossbeam by the collection be arranged in calibrating installation and is fixed, and collection turns over crossbeam carries out angle adjustment by by-pass cock.
The present invention has compact conformation, complete function, and wiring is simple, can examine and determine the advantages such as all kinds, all size list, three-phase electric energy meter comprehensively.
Accompanying drawing illustrates:
Fig. 1 is single, three-phase switching working mode structural representation of the present invention; Fig. 2 is the front view of calibrator for watt-hour meter; Fig. 3 is the side view of calibrator for watt-hour meter; Fig. 4 is single-phase smart meter inspection wiring diagram; Fig. 5 is single-phase machinery table inspection wiring diagram; Fig. 6 is three-phase intelligent table inspection wiring diagram; Fig. 7 is three-phase mechanical table inspection wiring diagram.
Number in the figure: 1 plurality of voltages mutual inductor, 2 single three-phase change-over switches, 3 single three-phase signal sources, 4 single three-phase standard scales, 5 electric current and voltage power amplifiers, 6 single-phase tested tables, the tested table of 7 three-phase, 8 photoelectric samplers, 9 multifunction boards, 10 voltage terminals, 11 current terminals, 12 table holders.
Below by way of embodiment, and the invention will be further described by reference to the accompanying drawings.
Embodiment:
Embodiment 1: composition graphs 1, Fig. 4, Fig. 5, single-phase electric energy meter inspection timer functional realiey, it comprises:
Plurality of voltages mutual inductor 1, list, three-phase change-over switch 2, electric current and voltage power amplifier 5 (three phase power source), single-phase tested table 6, signal source 3, standard scale 4.
For the inspection of single-phase electric energy meter, only need to rise a phase current, voltage, first list, three-phase change-over switch 2 are switched to single-phase gear, now single, three-phase change-over switch 2 internal node 3-4,7-8,9-10,15-16,19-20 are on-state, then in the tested table type in list, three-phase signal source 3, select the meritorious table of 1P2W, now electric current and voltage power amplifier 5 is the output of A phase current, and voltage converts single-phase voltage to by plurality of voltages mutual inductor 1 (PT) and outputs to single-phase tested table 6.List, three-phase standard scale 4 are according to the electric current detected, voltage data information simultaneously, automatically switch to single-phase calibrating pattern.Tested single-phase meter tripping operation, meritorious pulse, the signals such as multifunctional pulse, 485 communications are all introduced by external terminal, and then carry out verification task.The mode of connection is as Fig. 4:
For the inspection of old single-phase machinery table, adopt photoelectric sampler 8 to gather the electric energy meter number of turns, examine and determine single-phase machinery table, the mode of connection is as Fig. 5.
Embodiment 2: composition graphs 1, Fig. 6, Fig. 7, three-phase electric energy meter inspection timer functional realiey, it comprises:
Plurality of voltages mutual inductor 1 (PT), list, three-phase change-over switch 2, electric current and voltage power amplifier 5 (three phase power source), the tested table 7 of three-phase, signal source 3, standard scale 4.
For the inspection of 100A and following three-phase electric energy meter, list, three-phase change-over switch 2 is needed to switch to three-phase gear, now single, three-phase change-over switch 2 internal node 1-2,5-6,13-14,17-18 are on-state, then in the tested table type option in list, three-phase signal source 3, select corresponding tested table type.Single, the meritorious table of 3P3W is provided with in three-phase signal source 3, 3P3W (phase shift 60) idle table, 3P3W (across phase 90) idle table, 3P3W (phase shift 90) idle table, 3P3W is naturally idle table, the meritorious table of 3P4W, 3P4W (across phase 90) idle table, 3P4W (phase shift 90) idle table, the three-phase electric energy meter inspection option of table nine type that 3P4W is naturally idle, by to list, the control in three-phase signal source 3, electric current and voltage power amplifier 5 (three phase power source) exports three-phase voltage, electric current is to the tested table 7 of three-phase, single, three-phase standard scale 4 is according to the voltage detected, current data information, be switched to three-phase electric energy meter test mode.Verifying attachment just can reach by inner switching the function detecting all types of three-phase electric energy meter when not changing wiring.Three-phase meter tripping operation, meritorious pulse, the signals such as idle pulse, multifunctional pulse, 485 communications are all introduced by external terminal, and then carry out verification task.The mode of connection is as Fig. 6.
For the inspection of old three-phase mechanical table, adopt photoelectric sampler 8 to gather the electric energy meter number of turns, three-phase mechanical table is tested.The mode of connection is as Fig. 7.
By the above-mentioned description to multi-usage list, three-phase electric energy meter verifying attachment embodiment, represent that the present invention eliminates at all kinds of old calibrating installation, under the background of scrapping, by the design of uniqueness, on the basis ensureing verifying attachment accuracy, give full play to original device advantage, the calibrating of all kinds list, three-phase electric energy meter can be met comprehensively, the outstanding comprehensive adaptation to various classification electric energy meter, especially to old photoelectric meter, the calibrating of stem-winder has reasonable in design, uses simple characteristic.
Claims (5)
1. multi-usage list, three-phase electric energy meter verifying attachment, is characterized in that:
Described device front panel is provided with photoelectric sampler (8), the multifunction board (9) for artificial wiring, voltage terminal (10), current terminal (11), table holder (12); List, the electric current and voltage power amplifier (5) of the changeable output of three-phase, single three-phase signal source (3), single three-phase standard scale (4), plurality of voltages mutual inductor (1) are installed in described device cabinet; Single three-phase change-over switch (2) is installed in the side of described device;
Described single three-phase signal source (3) is connected with described electric current and voltage power amplifier (5), and described electric current and voltage power amplifier is connected with the connection terminal in described single three-phase change-over switch (2), the primary side of described multipath sensor (1) is connected with the connection terminal in single three-phase change-over switch (2).
2. multi-usage list according to claim 1, three-phase electric energy meter verifying attachment, it is characterized in that, described single three-phase change-over switch (2) has single-phase, three-phase, neutral gear three gears, by the selection of gear, the output mode of control voltage, obtains single-phase 220V, phase three-wire three 100V, three-phase and four-line 220/380V tri-kinds of voltage modes at different epi-position ends.
3. multi-usage list according to claim 1, three-phase electric energy meter verifying attachment, it is characterized in that, described plurality of voltages mutual inductor (1) is after receiving single-phase 220V voltage, a road single-phase voltage is exported to each epi-position, the single-phase voltage of the first epi-position is transferred to three-phase outgoing side by single three-phase change-over switch (2), single three-phase standard scale (4) is connected on described three-phase outgoing side, according to different line receiver to voltage condition switch different mode of operations.
4. multi-usage list according to claim 1, three-phase electric energy meter verifying attachment, is characterized in that, described photoelectric sampler (8) is for the collection of old stem-winder pulse; Described multifunction board (9) is for the pulse collection of intelligent meter, multifunctional electric energy meter.
5. multi-usage list according to claim 1, three-phase electric energy meter verifying attachment, is characterized in that, described verifying attachment configures two kinds of modes of connection: crimping wiring and artificial wiring.Crimping wiring uses table holder (12) stationary electric table, and the handle of vertical direction presses down, and completes wiring; Manual wiring pin to big current electric energy meter, current terminal service test device front panel independently current terminal (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510868662.5A CN105301553A (en) | 2015-12-01 | 2015-12-01 | Multipurpose single/three-phase electric energy meter detector |
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| CN201510868662.5A CN105301553A (en) | 2015-12-01 | 2015-12-01 | Multipurpose single/three-phase electric energy meter detector |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106772208A (en) * | 2016-12-30 | 2017-05-31 | 杭州海兴电力科技股份有限公司 | A kind of integrated reliability testing platform of single three-phase meter |
| CN107942282A (en) * | 2017-11-20 | 2018-04-20 | 贵州长征电器成套有限公司 | Mechanical electric energy meter self-help comparison device and its comparison method |
| CN108988165A (en) * | 2018-10-15 | 2018-12-11 | 国网河南省电力公司济源供电公司 | Mobile electrical power distribution case |
| CN112731262A (en) * | 2020-12-11 | 2021-04-30 | 国网上海市电力公司 | Verification equipment for electric energy meter |
| CN114487979A (en) * | 2022-01-21 | 2022-05-13 | 杭州德创电子股份有限公司 | Electric energy meter detects integral type device |
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| CN107942282A (en) * | 2017-11-20 | 2018-04-20 | 贵州长征电器成套有限公司 | Mechanical electric energy meter self-help comparison device and its comparison method |
| CN108988165A (en) * | 2018-10-15 | 2018-12-11 | 国网河南省电力公司济源供电公司 | Mobile electrical power distribution case |
| CN112731262A (en) * | 2020-12-11 | 2021-04-30 | 国网上海市电力公司 | Verification equipment for electric energy meter |
| CN114487979A (en) * | 2022-01-21 | 2022-05-13 | 杭州德创电子股份有限公司 | Electric energy meter detects integral type device |
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Application publication date: 20160203 |
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